Make denomenators the same
times left denomenator by (x+3)/(x+3) and right one by (x-9)/(x-9)
=
=
=
if expandded we get
times left denomenator by (x+3)/(x+3) and right one by (x-9)/(x-9)
if expandded we get
Which shows how to solve the equation -4/5x=80 for x in one step?
2 answers:
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Answer:
see attached
Step-by-step explanation:
Each spot in the triangle is the sum of the two numbers immediately above. The middle number of row 2 will be 1+1 = 2. The two numbers in row 3 will be 1+2 = 3 and 2+1 = 3. It continues like this. The second number in each row is the row number. Each row is symmetrical about the center.
